---
title: "Abysner — App Overview"
url: https://marlvel.ai/intel-report/sports/nl-neotech-app-abysner
category: Sports
developer: Roelof Rene Smit
platforms: ios, android
rating: 5.0 (2 ratings)
pricing: paid
report_level: overview
generated: 2026-04-30
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Abysner is a lightweight, open-source utility focused on delivering essential dive planning calculations with a user-friendly interface.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Sports |
| Rating | 5.0 ★ (2) |
| Pricing | paid |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.0.8 |
| Latest Version (Android) | 1.0.8-beta |
| Developer | Roelof Rene Smit |

<!-- SECTION: Summary -->
## What is Abysner?

Abysner is an open-source dive planning tool designed for technical and recreational divers who prioritize speed and usability. It provides accurate decompression calculations using Buhlmann ZHL-16 models and supports complex gas planning, including Trimix and Helitrox. The app is optimized for quick, on-site use, emphasizing a straightforward interface over feature bloat.

<!-- SECTION: Key Features -->
## Key Features

- **Decompression Modeling**: Supports Buhlmann ZHL-16 A, B, and C algorithms with customizable gradient factors.
- **Multi-Gas Planning**: Enables planning for various gas mixes including Air, Nitrox, Oxygen, Trimix, and Heliox.
- **Safety Tracking**: Calculates OTU and CNS exposure to assist in monitoring dive safety.
- **Environmental Customization**: Allows users to adjust parameters such as altitude, salinity, SAC rates, and PPO2 limits.

<!-- SECTION: Target Audience -->
## Who is it for?

Recreational and technical divers requiring a fast, reliable tool for dive planning and gas management.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/abysner/id6636477320?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=nl.neotech.app.abysner&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/sports/nl-neotech-app-abysner)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/sports/nl-neotech-app-abysner).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*